The Nissan 350z (07-09) / Infiniti G35 (07-08) VQ35HR Intake Plenum Manifold is a high-quality car part designed for vehicles with a 3.5L engine size. Specifically made for petrol fuel type, this intake manifold helps to optimize air and fuel delivery to the engine by smoothly directing the intake mixture to the engine's cylinders. By placing it on the upper part of the vehicle, it ensures efficient performance and improved overall engine function for Nissan and Infiniti vehicles.